Equation of a Plane Perpendicular to a Given Plane

Rarely Tested

Equation of a Plane Perpendicular to a Given Plane

If the given plane has normal vector:

$$\vec n_1=A\hat i+B\hat j+C\hat k$$

then a plane with normal vector $$\vec n_2$$ is perpendicular to it if:

$$\vec n_1\cdot\vec n_2=0$$

Usage

- Used to determine planes perpendicular to a given plane.

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